Finding the Fourth Proportional to 2,390,863.38, 3,299,362.43 and 1,303,131.62
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Solution
The fourth proportional to 2,390,863.38, 3,299,362.43 and 1,303,131.62 is: 1,798,305.80
Step by Step Solution
- Step 1: Write the proportion equation
2,390,863.38 : 3,299,362.43 = 1,303,131.62 : x - Step 2: Convert to fraction form
2,390,863.38/3,299,362.43 = 1,303,131.62/x - Step 3: Cross multiply
2,390,863.38x = 3,299,362.43 × 1,303,131.62 - Step 4: Simplify right side
2,390,863.38x = 4,299,503,485,360.57 - Step 5: Solve for x
x = 4,299,503,485,360.57/2,390,863.38 - Step 6: Final answer
x = 1,798,305.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.